99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
# piker: trading gear for hackers
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# Copyright (C) Tyler Goodlet (in stewardship for pikers)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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`QIcon` hackery.
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Mostly dynamically loading pixmaps for use with `QGraphicsScene`.
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'''
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from piker.ui.qt import (
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QSize,
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QStyle,
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QIcon,
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QPixmap,
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QColor,
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)
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from ._style import hcolor
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# https://www.pythonguis.com/faq/built-in-qicons-pyqt/
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# account status icons taken from built-in set
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_icon_names: dict[str, str] = {
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# these two seem to work for our mask hack done below to
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# change the coloring.
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'long_pp': 'SP_TitleBarShadeButton',
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'short_pp': 'SP_TitleBarUnshadeButton',
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'ready': 'SP_MediaPlay',
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}
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_icons: dict[str, QIcon] = {}
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def mk_icons(
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style: QStyle,
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size: QSize,
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) -> dict[str, QIcon]:
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'''
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This helper is indempotent.
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'''
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global _icons, _icon_names
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if _icons:
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return _icons
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_icons[None] = QIcon() # the "null" icon
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# load account selection using current style
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for name, icon_name in _icon_names.items():
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stdpixmap = getattr(
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# https://www.pythonguis.com/faq/built-in-qicons-pyqt/
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QStyle.StandardPixmap, # pyqt/pyside6
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icon_name,
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)
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stdicon = style.standardIcon(stdpixmap)
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pixmap = stdicon.pixmap(size)
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# fill hack from SO to change icon color:
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# https://stackoverflow.com/a/38369468
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out_pixmap = QPixmap(size)
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out_pixmap.fill(QColor(hcolor('default_spotlight')))
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out_pixmap.setMask(pixmap.createHeuristicMask())
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# TODO: not idea why this doesn't work / looks like
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# trash. Sure would be nice to just generate our own
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# pixmaps on the fly..
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# p = QPainter(out_pixmap)
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# p.setOpacity(1)
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# p.setBrush(QColor(hcolor('papas_special')))
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# p.setPen(QColor(hcolor('default_lightest')))
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# path = mk_marker_path(style='|<')
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# p.scale(6, 6)
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# # p.translate(0, 0)
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# p.drawPath(path)
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# p.save()
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# p.end()
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# del p
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# icon = QIcon(out_pixmap)
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icon = QIcon()
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icon.addPixmap(out_pixmap)
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_icons[name] = icon
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return _icons
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